Gerald Dennis Main, MD - Medicare Diagnostic Radiology in Cambria, CA

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Gerald Dennis Main, MD is a medicare enrolled "Nuclear Medicine" physician in Cambria, California. He graduated from medical school in 1970 and has 56 years of diverse experience with area of expertise as Diagnostic Radiology. He is a member of the group practice Hanford Community Hospital and his current practice location is 602 Exeter Lane, Cambria, California. You can reach out to his office (for appointments etc.) via phone at (805) 927-3713.

Gerald Dennis Main is licensed to practice in California (license number A24331) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1568583201.

Contact Information

Gerald Dennis Main, MD
602 Exeter Lane,
Cambria, CA 93428
(805) 927-3713
Not Available

Map and Direction




Physician's Profile

Full NameGerald Dennis Main
GenderMale
SpecialityDiagnostic Radiology
Experience56 Years
Location602 Exeter Lane, Cambria, California
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Gerald Dennis Main graduated from medical school in 1970
  NPI Data:
  • NPI Number: 1568583201
  • Provider Enumeration Date: 04/02/2007
  • Last Update Date: 09/11/2025
  Medicare PECOS Information:
  • PECOS PAC ID: 2264338912
  • Enrollment ID: I20031211001187

Medical Identifiers

Medical identifiers for Gerald Dennis Main such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1568583201NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207U00000XNuclear Medicine A24331 (California)Primary
2085R0202XRadiology - Diagnostic Radiology A24331 (California)Secondary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Hanford Community Hospital741686837760

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Gerald Dennis Main allows following entities to bill medicare on his behalf.
Entity NameAdventist Health Delano
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1578798047
PECOS PAC ID: 1254248016
Enrollment ID: O20040303000739
Entity NameHanford Community Hospital
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1538141627
PECOS PAC ID: 7416868377
Enrollment ID: O20040325000272
Entity NameWillits Hospital Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1356339543
PECOS PAC ID: 7416940697
Enrollment ID: O20040405000843
Entity NameUkiah Adventist Hospital
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1235120676
PECOS PAC ID: 6406816123
Enrollment ID: O20041015000818
Entity NameAdventist Health Clearlake Hospital Inc.
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1124018031
PECOS PAC ID: 3072421197
Enrollment ID: O20041112000573
Entity NameAdventist Health Tulare
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1801366711
PECOS PAC ID: 4385988757
Enrollment ID: O20201221001163
Entity NameReedley Community Hospital
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1336167550
PECOS PAC ID: 0941460984
Enrollment ID: O20201224000078
Entity NameAdventist Health Mendocino Coast
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1538113725
PECOS PAC ID: 3678990769
Enrollment ID: O20220620001667

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Gerald Dennis Main is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Gerald Dennis Main, MD
Po Box 1462,
Cambria, CA 93428-1462

Ph: (805) 927-3713		Gerald Dennis Main, MD
602 Exeter Lane,
Cambria, CA 93428

Ph: (805) 927-3713

Reviews and Comments



Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.